Cited by 181Metalloenzymes and iron-sulfur proteinsOrigins and Evolution of LifeMetal-Catalyzed Oxygenation Mechanisms

The involvement of molybdenum in life

Williams, R.J.P., Fraústo da Silva, J.J.R.·2002·Biochemical and Biophysical Research Communications

Abstract

Quite extraordinarily molybdenum is an essential element in life for the uptake of nitrogen from both nitrogen gas and nitrate, yet it is a relatively rare heavy trace element. It also functions in a few extremely important oxygen-atom transfer reactions at low redox potential. This review poses the question "Why does life depend upon molybdenum?" The answer has to be based upon the availability of the element and on chemical superiority in carrying out the essential tasks. We illustrate here the peculiarities of molybdenum chemistry and how they have become part of certain enzymes. The uptake and incorporation of molybdenum are dependent on its availability, selective pumps, and carriers (chaperones), but 4.5 x 10(9) years ago molybdenum was not available when both tungsten and vanadium or even iron were possibly used in its place. While these possibilities are explored, they leave many unanswered questions concerning the selection today of molybdenum.

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Crossref · 10.1006/bbrc.2002.6518

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Authors
Williams, R. J. P., & Fraústo da Silva, J. J. R.
Affiliations
University of Oxford (GB)
Corresponding author
Williams, R.J.P.
Venue
Biochemical and Biophysical Research Communications
Publisher
Elsevier BV
Published
2002-03
Volume
292
Issue
2
Pages
293-299
ISSN
0006-291X (ISSN-L)
OpenAlex
W2082368417
Cited by
181
References
19
Citations by year
2026: 4 · 2025: 9 · 2024: 6 · 2023: 11 · 2022: 6 · 2021: 15 · 2020: 15 · 2019: 9 · 2018: 11 · 2017: 3 · 2016: 10 · 2015: 10 · 2014: 11 · 2013: 4 · 2012: 7
FWCI
2.94
Type
journal article
Language
en
Open access
closed
Locations
  • Biochemical and Biophysical Research Communications (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Metalloenzymes and iron-sulfur proteins
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Origins and Evolution of Life
  • Physical Sciences › Chemistry › Inorganic Chemistry › Metal-Catalyzed Oxygenation Mechanisms
Keywords
molybdenum, molybdenum enzymes, nitrogen fixation, nitrate reduction, oxygen atom transfer, trace elements, molybdenum uptake, tungsten, vanadium, iron, molybdenum chemistry
MeSH terms
Animals, Bacteria, Carrier Proteins, Coenzymes, Biological Evolution, Metalloproteins, Models, Chemical, Molybdenum, Nitrogen Fixation, Oxidation-Reduction, Tungsten, Vanadium, Life

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